Tractuell 53 E | 18 Tractuell 53 E | 18 3 for You in Action Fibre Optics Fttx
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53 EN | 17 tractuellThe TRACTO-TECHNIK customer magazine TRACTO-TECHNIK CLEVER GROUND CABLING CONTENTS IMPRINT © Copyright by: TRACTO-TECHNIK GmbH & Co. KG MARCH 2018 57368 Lennestadt · Germany Editorial team: Burkhard Rarbach, Thorsten Gödde, Anne Knour, Manuel Pohl, Phillipp Schumacher, Thorsten Schulte Layout: Alexa Wirth 26 Circulation: 4.500 Subject to change. No liability for misprints! 8 FOR YOU IN ACTION 22 HDD SPECIAL APPLICATION ABOUT US GOOD TO KNOW Trenchless drainage for dewatering landslide 4 FIBRE OPTICS FTTX terraces in Mössingen / Germany 44 REPRESENTED WORLDWIDE 57 PRODUCTS Fast Internet installation through protected Asian sales partners’ meeting in Singapore Reduced bending radii for selected biotope with GRUNDODRILL18ACS 26 SEWAGE CONSTRUCTION GRUNDODRILL models Sewer service connections created using the STAFF auger boring method with GRUNDOBORE400 8 GAS DISTRIBUTION NETWORKS 46 New Application Specialist and 58 TRAININGS Sales Managers for TRACTO-TECHNIK UK Gas supplier Comgás relies on Fast trenchless gas service lines with 30 SEWER CONSTRUCTION GRUNDOMAT: Contractor AGI Construction Keyhole technology reaches high levels of productivity Steel pipe ramming ND 2000 under 47 Additional staffing at TRACTO-TECHNIK Zurich's Laubegg tramway terminal loop 59 TRADE FAIRS 48 Managing Director of Australian sister 12 WATER PIPELINE CONSTRUCTION 34 PIPE RENEWAL SEWAGE company Tom Hughes has retired INTERMAT Sheltered waters - Speedy installion of a cast Pipe renewal in a dairy 50 INFORMATION iron drinking water line ND 300 using HDD 60 TRAININGS 38 Third "TRACTO-TECHNIK Group MD Meeting" SYSTEMATIC RECYCLING Tailor-made trainings for customers 15 DISTRICT HEATING Directional drilling over 440 m through rocky and partners New installation of a property service ground using the GRUNDODRILL18ACS 52 TRACTO-TECHNIK UK and SGN win connection for district heating using auger UKSTT Innovation Award for iCore system boring 62 TRADE FAIRS 53 MACHINE HAND-OVER 28Nplus 18 Handover of a GRUNDODRILL to GROUND CABLING / POWER Klever Boor- en Perstechniek BV Paasch connects new Elbe tide gauges underground using GRUNDODRILL15XP 54 CLOSER THE CUSTOMER New sales and aftersales service structure 2 TRACTUELL 53 E | 18 TRACTUELL 53 E | 18 3 FOR YOU IN ACTION FIBRE OPTICS FTTX AT HIGHSPEED INTO THE FUTURE Fast Internet connection through protected biotope The community of Hohenstein is situated in the cess to the Internet should be less urgent than The path area for the fibre optics highway is made Trenchless line installation in rocky grounds with the centre of the scarcely populated plateau of the in densely populated areas and strong business visible with stakes marked red. GRUNDODRILL18ACS. Central Swabian Alb, at an altitude of 730 - 770 m centres. But the high-perched "backwater" of in the middle of a very nature-orientated lands- Reutlingen is also a high-tech region and boasts PATH ROUTES AND BIOTOPE PROTECTION underground. Thanks to former job-sites, the cape with a rough climate (the "rough Alb"). Ho- medium-sized market leaders who depend upon The number of sections for HDD operations was company Maier Bau was familiar with the hard- henstein in the district of Reutlingen (Germany) rapid Internet access to keep up with the compe- much greater than originally planned. Many years ness of the compact calcareous stones in and geographically belongs to the Swabian Alb and titors. before, the nature conservation authorities of on top of the tableland of the Alb and along the lies within the range of the so-called "knoll alb" the district of Reutlingen had designated forest Alb ridge. For the 1.0 to 1.6 m deep installation which is characterised by shelf formations (large SOLUTIONS FOR INTERNET DEVELOPMENT verges, juniper heaths, chalky rough pastures of the ductwork pipes (for accommodating the former siliceous sponge shelves from the Juras- As a means of creating efficient Internet con- and many region which serve as habitats for fibre optics bundles later on), any rig other than sic), laid bare by weathering. The shelf formations nections, the community Hohenstein became rare plants and animals as biotope protection the GRUNDODRILL18ACS was out of the question; consist of very hard compact limestone of bioge- a member of the broadband supply association areas. In the course of site inspection, some of after all, the trenchless line installation through nic origin, mainly in layers rather close to the soil which is already active in the neighbouring dis- this terrain, natural hedges and forest borders hard rock formations with a compressive surface. Hohenstein therefore lies high up on the trict of Sigmaringen, where important broad- in most parts, created an impression of "waste strength of up to 230 MPa had to be performed central tableland of the Swabian Alb and is very band routes have formerly been built. The link land" and hardly utilisable strips of vegetation. safely and within a short period of time. As men- rocky, due to the compact limestone reef rock. road comes from the south in this case and en- But of all the places, these were just the regi- tioned before, the compact limestone seaming compasses long stretches of way through com- ons harbouring many meanwhile rare animals ridge and tableland of the Swabian Alb stems INTERNET FOR A HUGE TABLELAND? munal territory, especially since all sub-munici- and plants. On no account was it permitted to from former reefs in the upper Jurassic sea. In a region with only 60 inhabitants per square ki- palities are to receive a FTTC upgrade, too. The disturb these biotope spaces by open cut me- These biogenic reef limestones were covered lometre, with a great number of natural spaces company STARK Energies GmbH was assigned thods, therefore only trenchless line installation up by other subsequently following geological and many recreational areas away from the large with the upgrading project of the route network. by means of HDD was in the running. Long bio- successions, pressed together and compacted transport axes - in such surroundings, rapid ac- This company, specialised in long line installa- tope zones exist between the sub-municipalities in process, thus taking on the shape of their me- tion jobs, possesses high-performance Oberstetten and Ödenwaldstetten and in other anwhile characteristic massive formation. Due cable ploughs and conventional sections; they allow fibre optics installations by to the high roof pressure of younger formations, underground engineering ma- means of HDD only. the layers of which have been stripped again by chinery. Overall planning and weathering influences, these reef limestones project control of the measu- PENETRATING COMPACT LIMESTONE received their enormous compressive strength. The path for the fibre optics bundles is often concealed re was carried out by the Aß- WITH ROCK BORING TECHNOLOGY Reef limestone formations are made up by milli- beneath the verge between the country road and the falg Gaspard Partner Engi- The company Maier Bau from Dettighofen was ards of sponges and other former riff creatures woodland edge. neering Company. All those commissioned with the HDD sections totalling from the ocean; they have merged into hard to fields of work which cannot almost 1 km in length through these valuable very hard, rarely recognisable sludge petrifica- be performed with the cable areas of unspoiled nature. Thanks to tiny trial tion. Reefs show an inhomogeneous structure plough or the usual machi- pits along the protected landscape fringes, the down to the present day, therefore this is also nery were sourced out to the massive rock was determined at only very the case in petrified reefs. Compact limestone is specialised companies. The few decimetres in depth. In part, they consis- inhomogeneous in terms and has an internally HDD technology was catego- ted of square-edged rocky boulders and slabs, irregular structure. When boring through this rically planned for complicated rather close to the weathered surface, someti- kind of formation, you cannot expect an evenly route sections. mes small rocky horns even rose right out of the structured solid rock; you have to face rock with 4 TRACTUELL 53 E | 18 TRACTUELL 53 E | 18 5 FOR YOU IN ACTION FIBRE OPTICS FTTX Picture left: Typical drilling section running parallel with the country lane. A size 90 ductwork pipe for the reception of the fibreglass bundle is already installed inside the rock at the front section. Picture left: Locating the bore head along an organically valuable verge of Picture top, right: Section for section, the line is the woods installed without trenches in the rocky underground Picture top: The excavation of the launch pit for a HDD operation section of an area of outstanding natural beauty. unearths the typical compact limestone formation. Picture bottom, right: The fibre optics line Picture right: The bore head chosen for drilling through the compact development has already arrived at several parts of limestone was a Stratacut drill bit with PCD tipping. Hohenstein. internal boundary layers and gross structural for steering and protecting the bore) was able to walled and very regular bore holes. In this way, tiple service connections for private households discontinuity instead. This hard rock demands a come up to the desired daily output in a calculab- the final diameter was almost achieved with will be installed in the coming months. drill rig with the highest capacity and a bore head le way. Twin tube rod drill rigs have an enormous the pilot bore alone. The following expansion fully up to the job of cutting through if you want advantage over conventional rigs in all soil con- course in opposite direction of the bore hole had POSITIVE EFFECT FOR THE RESIDENTS AND to achieve a good daily output. Drilling section ditions, even in the most extreme; they are ap- the same diameter, allowing the product pipe, a THE NATURAL HERITAGE lengths of 140 m were defined as the daily target.